#5A4585
Closest named color: Twilight (#4E518B). oklch(44.3% 0.104 297.1), rgb(90, 69, 133).
Aa
White text reads best on this color (8.00:1).
About this color
#5A4585 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.104 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 8.00:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #5A4585 |
| RGB | rgb(90, 69, 133) |
| HSL | hsl(260, 32%, 40%) |
| OKLCH | oklch(44.3% 0.104 297.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5A4585 | 8.00:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #5A4585 | 2.62:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #5A4585 text on white | 8.00:1 | AAA | Lc 87.6 | Fine for body text |
| #5A4585 text on black | 2.62:1 | Fails | Lc -14.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE8F4
oklch(93.7% 0.016 297.5)
-
Step 200
200
#DBD5ED
oklch(88.5% 0.033 297.2)
-
Step 300
300
#C4B9E4
oklch(80.9% 0.061 296.7)
-
Step 400
400
#A794D6
oklch(70.8% 0.097 297.1)
-
Step 500
500
#9278CB
oklch(63.1% 0.124 297.1)
-
Step 600
600
#7D5FB8
oklch(55.6% 0.136 297.3)
-
Step 700
700
#694E9E
oklch(49% 0.126 297.1)
-
Step 800
800 (this color)
#5A4585
oklch(44.3% 0.104 297.1)
-
Step 900
900
#463767
oklch(37.6% 0.081 296.7)
-
Step 950
950
#29213C
oklch(27.1% 0.05 296.6)
#5A4585 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #315187 | 0.064 |
| Deuteranopia (no green cones) | #355083 | 0.060 |
| Tritanopia (no blue cones) | #51515E | 0.083 |
| Achromatopsia (no color) | #505050 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A4585
#5A4585
oklch(44.3% 0.104 297.1)
- #505A00
#505A00
oklch(44.3% 0.102 117)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5A4585, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dark Slate Blue #483D8B ΔE 0.042
- Dusk #4E5481 ΔE 0.046
- Blueberry #464196 ΔE 0.047
- Rebecca Purple #663399 ΔE 0.058
- Dusty Grape #545775 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.070
- Dusky Blue #475F94 ΔE 0.073
Use #5A4585 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.